Two hours of home or office cleaning. Our three step cleaning system - clean-disinfect-protect. Your greener, cleaner home starts with PUREcleaning. Let Maid Brigade of Rockville in Gaithersburg, MD, take away your stress. Established in 1994, this locally owned and operated cleaning company is passionate about their work, making sure your home is spotless when you return from your busy schedule.Valid in Montgomery and Frederick Counties- Any time over a two hour cleaning period will be charged accordingly.